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At least five people are dead after a school bus accident in Chattanooga, Tennessee, and the driver of the bus has been arrested. Thirty-five children were on the bus, ranging in age from kindergarten through 5th grade. Twenty-four children were rushed to the hospital. (Published Tuesday, Nov. 22, 2016)

A school bus driver was behind bars Tuesday after a crash killed five youngsters and plunged Chattanooga into mourning over what the mayor called the "most unnatural thing in the world" — a parent losing a child.

Police said Johnthony Walker, 24, was speeding along a narrow, winding road Monday afternoon when he wrapped his vehicle around a tree. Walker was arrested and charged with five counts of vehicular homicide.

Reeling from the tragedy, Chattanoogans lined up to donate blood, created a memorial of flowers and stuffed toys at the crash scene and planned an evening prayer vigil. Parents who send their children off to school every day struggled to come to grips with the shock and break the news to their loved ones.

"It's real tough," said Dujuan Butchee, whose daughters, Jamya and Janesa, are eighth-graders who used to go to the same school as the youngsters killed in the wreck. "It's tough on my kids because they know some of the victims as well."

Butchee said it wasn't the first bus he had heard of that had been speeding: "I think it should wake up more bus drivers to be more cautious because you're dealing with a lot of kids' lives."

Police said Walker was driving well over the posted 30 mph limit when he lost control of the bus. He was jailed on $107,500 bail for a court appearance Nov. 29 on charges that also included reckless driving and reckless endangerment.

Thirty-five Woodmore Elementary School students from kindergarten through fifth grade were aboard the bus. Twelve children remained hospitalized Tuesday, six in intensive care, said Kirk Kelly, interim school superintendent.

Three of the children killed were in fourth grade, one was in first grade and another in kindergarten, Kelly said. Their families were notified, but some of their names have not been released.

The family of Cordayja Jones confirmed to NBC News the 9-year-old was killed in the crash Monday. Diamond Brown, the mother of 6-year-old D'Myunn L. Brown confirmed to NBC affiliate WRCB that her son, a kindergartener at Woodmore Elementary, was also one of the students who died in the bus crash.

Cordayja Jones, 9, was one of five children killed when the school bus she was aboard crashed on Monday in Chattanooga, Tenn.
Photo credit: Jones Family

"The most unnatural thing in the world is for a parent to mourn the loss of a child," Mayor Andy Berke said. "There are no words that can bring comfort to a mother or a father. So today, the city is praying for these families."

The National Transportation Safety Board sent a team to investigate, and police obtained a warrant to remove the bus' black box, which contains data on the vehicle's movements. The NTSB said the bus was not equipped with seatbelts, but there were cameras on board that could help with the investigation.

NBC News reports Jasmine Mateen, whose daughter died in the crash, told affiliate WRCB that she made complaints about the bus driver to the Board of Education, the school and the outside bus contractor that employed Walker, Durham School Services.

Mateen claimed Walker would slam "on brakes on purpose, making all the kids hit their heads." She added that she reminded school officials about her earlier complaints when they called her after the crash. Mateen said two of her kids were also on the bus and seriously hurt.

Walker had an accident involving property damage in September, and his license was suspended for about a month in 2014 for failure to show proof of insurance, according to state commercial driver records. He appeared to have no criminal record in Tennessee, authorities said.

Hamilton County School District spokeswoman Amy Kutcher declined to say whether the district had received any complaints involving Walker. She referred all questions about his performance and that of other Durham drivers to the company.

Durham CEO David A. Duke issued a statement on Twitter saying the company was "devastated" by the accident and working with police and school officials to investigate. Company officials did not return calls and emails seeking comment.

Durham has had other drivers who have run into legal trouble in the school district that includes Chattanooga, according to news reports. Last year, one driver pleaded guilty to aggravated statutory rape, and another was arrested on child-porn possession charges. Both were fired.

Durham, based in Warrenville, Illinois, operates about 13,700 vehicles around the U.S. and has nearly as many drivers, according to the Federal Motor Carrier Safety Administration. It had a "satisfactory" safety rating from the agency in July 2015.

The company has had 346 crashes over two years, including three resulting in deaths and 142 with injuries, federal figures show. During that period, it had 53 incidents involving unsafe driving violations.

Demetrius Jenkins said he had yet to tell his first-grade son, Jermaine Bradley, that the boy's best friend had died in the crash.

"It's sad. He's going to eventually find out," Jenkins said. "I know he's going to be full of tears."

On Tuesday morning, the heap of mangled metal that used to be a bus was loaded on a trailer and taken away, and counselors were on hand for the students and staff as classes resumed at the school. Pastor Tavner Smith and a dozen staffers from the Venue Church went to offer support.

"It's devastating," Smith said. "You send your kids to school and think you're going to see them that evening. We're really just praying for all the families right now, for what they're going through."